Hongtao Sun

Affiliate Researcher
Titles and Affiliations
Assistant Professor, John and Willie Leone Department of Energy & Mineral Engineering (EME)

Dr. Sun's research lies at the intersection of energy science, functional materials, and advanced manufacturing. The focus of his lab at Penn State is on co-designing materials, structures, and manufacturing processes across hierarchical length scales, particularly advancing in energy conversion and storage, thermal management, sensing, and detections.

In the News

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Recent Publications

Deep P-C Interface Reconstruction for High-Performance Potassium Storage

Chen, W., Deng, H., Guo, Y., Chen, S., Yuan, Y., Jia, X., Zhang, Q., Zhao, Q., Guo, X., Sun, H., Zhu, J. & Lu, B., Feb 26 2025, In: Advanced Functional Materials. 35, 9, 2416361.

Research output: Contribution to journalArticlepeer-review

Multilayer Composite Electrodes for Simultaneously Improved Mechanical and Electrochemical Performance

Nie, B., Wang, T. W., Lee, S. W. & Sun, H., Feb 12 2025, In: ACS Applied Materials and Interfaces. 17, 6, p. 9452-9459 8 p.

Research output: Contribution to journalArticlepeer-review

Probing cold sintering-regulated interfaces and integration of polymer-in-ceramic solid-state electrolytes

Nie, B., Wang, T. W., Lee, S. W., Zhang, J. & Sun, H., Apr 2025, In: Materials Today Energy. 49, 101829.

Research output: Contribution to journalArticlepeer-review

Potassium storage behavior and low-temperature performance of typical carbon anodes in potassium-ion hybrid capacitors enabled by Co-intercalation graphite chemistry

Zhang, H., Zhao, J., Ren, C., King, S., Sun, H., Zhang, X. & Wang, G., Feb 2025, In: Carbon. 233, 119868.

Research output: Contribution to journalArticlepeer-review

Boosting the Sodium-Ion Transport and Surface Pseudocapacitance of a SnO2 Nanoflower at a High Mass Loading Level for High Areal Capacity and Fast Sodium-Ion Storage

Guo, K. X., Zhang, Y. H., Wang, Q., Yu, D. W., Zhang, Y. G., Ji, P. G., Khalilov, U., Wang, G. K., Zhang, X., Wang, K., Song, Y. X., Zhong, X. B., Sun, H. T. & Liang, J. F., Jun 14 2024, In: ACS Applied Nano Materials. 7, 11, p. 12304-12311 8 p.

Research output: Contribution to journalReview articlepeer-review

Cold Sintering Halide-in-Oxide Composite Solid-State Electrolytes with Enhanced Ionic Conductivity

Nie, B., Wang, T. W., Lee, S. W. & Sun, H., Dec 11 2024, In: ACS Applied Materials and Interfaces. 16, 49, p. 67635-67641 7 p.

Research output: Contribution to journalArticlepeer-review

Low-Dimensional Nanomaterials and Their Assembled Structures and Interfaces for Energy Applications

Sun, H. & Zhu, J., Dec 27 2024, In: ACS Applied Nano Materials. 7, 24, p. 27797-27800 4 p.

Research output: Contribution to journalEditorialpeer-review

“Nano Reservoir” of Dual Energy Storage Mechanism for High-Performance Sodium Ion Capacitors

Xu, C., Cai, J., Sun, S., Sun, H., Zhang, X. & Wang, G., Dec 27 2024, In: ACS Applied Nano Materials. 7, 24, p. 27811-27821 11 p.

Research output: Contribution to journalArticlepeer-review

Tailoring smart hydrogels through manipulation of heterogeneous subdomains

Yang, H., Liu, T., Jin, L., Huang, Y., Duan, X. & Sun, H., Dec 2024, In: Nature communications. 15, 1, 9268.

Research output: Contribution to journalArticlepeer-review

Ti─O─C Bonding at 2D Heterointerfaces of 3D Composites for Fast Sodium Ion Storage at High Mass Loading Level

Yu, D., Guo, K., Hou, F., Zhang, Y., Ye, X., Zhang, Y., Ji, P., Khalilov, U., Wang, G., Zhang, X., Wang, K., Song, Y., Zhong, X., Sun, H., Zhu, J., Liang, J. & Wang, H., Jul 18 2024, In: Small. 20, 29, 2312167.

Research output: Contribution to journalArticlepeer-review

Nano-sized polymer-assisted cold sintering and recycling of ceramic composites

Zhang, J., Gomez, E. D. & Sun, H., Jun 2024, In: MRS Communications. 14, 3, p. 287-294 8 p.

Research output: Contribution to journalLetterpeer-review

Engineering heterogeneous domains and interfaces in shape memory fibers for tunable responsive behaviors

Zhao, Z., Yang, H., Li, M., Gudi, C., Varma Kanumuru, K., Voigt, R., Babaniyi, O., Liu, T., Chen, Y. & Sun, H., Jan 15 2024, In: Chemical Engineering Journal. 480, 147936.

Research output: Contribution to journalArticlepeer-review

Coordination engineering for iron-based hexacyanoferrate as a high-stability cathode for sodium-ion batteries

Zhong, J., Xia, L., Chen, S., Zhang, Z., Pei, Y., Chen, H., Sun, H., Zhu, J., Lu, B. & Zhang, Y., Jul 30 2024, In: Proceedings of the National Academy of Sciences of the United States of America. 121, 31, e2319193121.

Research output: Contribution to journalArticlepeer-review

Versatile potassium vanadium fluorophosphate (KVPO4F) composites as Dual-Function cathode and anode materials for Potassium-Ion hybrid capacitors

Cai, J., Ding, Y., Bai, R., Zhang, C., Zhang, X., Sun, H. & Wang, G., Dec 2023, In: Journal of Colloid And Interface Science. 651, p. 534-543 10 p.

Research output: Contribution to journalArticlepeer-review

Molecular iron phthalocyanine catalysts on morphology-engineered graphene towards the oxygen reduction reaction

Gao, M., Liu, J., Ye, G., Zhao, Z., Liu, J., He, G., Gong, Z., Huang, K., Sun, H. & Fei, H., Oct 2023, In: Science China Materials. 66, 10, p. 3865-3874 10 p.

Research output: Contribution to journalArticlepeer-review